Granted Patent
Utility
US 5,554,456 · App. 08/436,674
Electrochemical hydrogen storage alloys and batteries containing heterogeneous powder particles
Inventors:
Stanford R. Ovshinsky, Michael A. Fetcenko, Jun Im, Benjamin Chao, Benjamin Reichman, Kwo Young
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: May 8, 1995
Inventors
Stanford R. Ovshinsky
Michael A. Fetcenko
Jun Im
Benjamin Chao
Benjamin Reichman
Kwo Young
Assignee (at issue)
Ovonic Battery Company, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.